Portable air conditioning unit



FIG. 1 is a top front and right side perspective view of a portable airconditioning unit showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a top and left side perspective view thereof;

FIG. 4 is a top and front perspective view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

The ornamental design for portable air conditioning unit, as shown anddescribed.